Home / 7,528.37-11,292.62-1,981.71

Finding the Fourth Proportional to 7,528.37, 11,292.62 and 1,981.71

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Solution

The fourth proportional to 7,528.37, 11,292.62 and 1,981.71 is: 2,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.37 : 11,292.62 = 1,981.71 : x
  2. Step 2: Convert to fraction form
    7,528.37/11,292.62 = 1,981.71/x
  3. Step 3: Cross multiply
    7,528.37x = 11,292.62 × 1,981.71
  4. Step 4: Simplify right side
    7,528.37x = 22,378,688.07
  5. Step 5: Solve for x
    x = 22,378,688.07/7,528.37
  6. Step 6: Final answer
    x = 2,972.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.